CA3041524A1 - Trim assembly having a side branch resonator array and fluid control valve comprising same - Google Patents

Trim assembly having a side branch resonator array and fluid control valve comprising same Download PDF

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Publication number
CA3041524A1
CA3041524A1 CA3041524A CA3041524A CA3041524A1 CA 3041524 A1 CA3041524 A1 CA 3041524A1 CA 3041524 A CA3041524 A CA 3041524A CA 3041524 A CA3041524 A CA 3041524A CA 3041524 A1 CA3041524 A1 CA 3041524A1
Authority
CA
Canada
Prior art keywords
cage
fluid
control valve
side wall
cage retainer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3041524A
Other languages
French (fr)
Inventor
Daniel J. Eilers
Allen C. Fagerlund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fisher Controls International LLC
Original Assignee
Fisher Controls International LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fisher Controls International LLC filed Critical Fisher Controls International LLC
Publication of CA3041524A1 publication Critical patent/CA3041524A1/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/243—Packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/246—Combination of a sliding valve and a lift valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • F16K47/14—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths the throttling member being a perforated membrane

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)
  • Safety Valves (AREA)
  • Control Of Transmission Device (AREA)

Abstract

A fluid valve (100) includes a valve body (102) having a fluid inlet (106) and a fluid outlet (106). A fluid passageway (104) connects the fluid inlet and the fluid outlet. A trim assembly (126) is located within the fluid passageway and the trim assembly cooperates with a control member to control fluid flow through the fluid passageway. The trim assembly includes a cage (130) and a cage retainer (128). The cage retainer is located downstream of the cage and the cage retainer and the cage are aligned longitudinally within the fluid passageway. The cage retainer includes a side branch resonator array.

Description

2 PCT/US2017/057596 TRIM ASSEMBLY HAVING A SIDE BRANCH RESONATOR ARRAY AND FLUID
CONTROL VALVE COMPRISING SAME
FIELD OF THE DISCLOSURE
[0001] The disclosure relates generally to fluid valves and, more particularly, to trim assemblies that include a side branch resonator array for use in a fluid control valve.
BACKGROUND
[0002] Control valves are commonly used in process plants to control the flow of a fluid (e.g., a gas, a liquid, etc.) or any other substance through pipes and/or vessels to which they are connected. A control valve is typically composed of one or more inlets and outlets, and includes a fluid control element or member (e.g., a valve gate, a piston, a valve plug, a control member, etc.) that operates to control fluid flow through apertures that fluidly couple the inlet(s) to the outlet(s). A control member is typically coupled to a valve bonnet that is mechanically coupled (e.g., bolted, clamped, threaded into, etc.) to the valve body.
Typically, the control member is configured to engage a sealing structure (e.g., a valve seat) that encompasses a flow path through the valve.
[0003] Generally speaking the control elements (including the fluid control member, the seat, and a cage if one exists) are known as "valve trim" or "trim assembly"
in the art. In some cases it may be desirable to characterize fluid as it flows through the valve, for example, to reduce pressure. In these cases, a trim assembly may be used that includes a cage with a plurality of openings that are drilled through a wall of the cage. The openings may be sized and shaped to characterize fluid flow as the fluid flows through the openings in the cage, for example by decreasing pressure as the fluid moves through the valve trim. This characterization or pressure reducing process generates unwanted noise.
SUMMARY
[0004] In accordance with a first exemplary aspect, a fluid valve includes a valve body having a fluid inlet and a fluid outlet. A fluid passageway connects the fluid inlet and the fluid outlet. A trim assembly is located within the fluid passageway and the trim assembly cooperates with a control member to control fluid flow through the fluid passageway. The trim assembly includes a cage and a cage retainer. The cage retainer is located downstream of the cage and the cage retainer and the cage are aligned longitudinally within the fluid passageway. The cage retainer includes a side branch resonator array.
[0005] In accordance with a second exemplary aspect, a trim assembly for a fluid control valve includes a cage and a cage retainer. The cage retainer is located downstream of the cage. The cage retainer and the cage are aligned longitudinally within the fluid passageway.
The cage retainer includes a side branch resonator array.
[0006] In accordance with a third exemplary aspect, a cage retainer for a fluid control valve includes a side branch resonator array located in a side wall of the cage retainer. The side branch resonator array includes a plurality of chambers, each chamber in the plurality of chambers including an opening on the downstream side of the side wall.
[0007] In further accordance with any one or more of the foregoing first, second, or third aspects, a fluid valve, a trim assembly, or a cage retainer may further include any one or more of the following preferred forms.
[0008] In one preferred form, the side branch resonator array includes a plurality of cavities located in a side wall of the cage retainer.
[0009] In another preferred form, at least one cavity in the plurality of cavities includes an opening that is oriented on a downstream side of the side wall.
[0010] In yet another preferred form, at least one cavity in the plurality of cavities includes a spherical chamber.
[0011] In yet another preferred form, the at least one cavity includes a cylindrical-shaped neck that fluidly connects the spherical chamber to the opening.
[0012] In yet another preferred form, the at least one cavity has the form of a Helmholz resonator or of a pyramidal chamber.
[0013] In yet another preferred form, the at least one cavity includes a square cylinder-shaped neck that fluidly connects the pyramidal chamber to the opening.
[0014] In yet another preferred form, the side branch resonator array includes a plurality of channels formed in a side wall of the cage retainer, at least one of the channels including an opening on a downstream side of the side wall.
[0015] In yet another preferred form, the at least one channel includes at least one directional change within the side wall.
[0016] In yet another preferred form, the side branch resonator array includes an internal chamber formed in a side wall of the cage retainer, the internal chamber including a plurality of openings located on a downstream side of the side wall.
[0017] In yet another preferred form, the cage is a pressure reducing cage.
[0018] In yet another preferred form, the pressure reducing cage includes a plurality of through bores, each of the through bores extending completely through a cage wall of the cage.
BRIEF DESCRIPTION OF THE DRAWINGS
[0019] FIG. 1 illustrates a cross-sectional view of a fluid control valve constructed in accordance with the teachings of the disclosure;
[0020] FIG. 2 illustrates a cross-sectional view of a trim assembly of the fluid control valve of FIG. 1.
[0021] FIG. 3 illustrates one embodiment of a cavity that is located in the cage retainer of the trim assembly of FIG. 2.
[0022] FIG. 4 illustrates a second embodiment of a cavity that is located in the cage retainer of the trim assembly of FIG. 2.
[0023] FIG. 5 illustrates an alternate embodiment of a cage retainer of the trim assembly of FIG. 2.
DETAILED DESCRIPTION
[0024] Certain examples are shown in the above-identified figures and described in detail below. In describing these examples, like or identical reference numbers are used to identify the same or similar elements. The figures are not necessarily to scale and certain features and certain views of the figures may be shown exaggerated in scale or in schematic for clarity and/or conciseness. Additionally, several examples have been described throughout this specification. Any features from any example may be included with, a replacement for, or otherwise combined with other features from other examples.
[0025] The examples described herein relate to fluid valves having a trim assembly that includes a side branch resonator array. Such side branch resonator arrays allow the trim assembly to absorb or attenuate noise generated by pressure reducing elements of the trim assembly. The examples described herein substantially reduce the amount of noise generated by the pressure reducing member of the trim assembly, which extends the useful life of valve components. The resonator arrays may be tuned to absorb specific problematic frequencies of noise. Such an approach may reduce the size of the array and thus the cost of manufacturing the array. Generally, the described examples may be manufactured using additive manufacturing or 3D printing techniques.
[0026] FIG. 1 illustrates an example fluid valve 100 that has a valve body 102 including a fluid flow passageway 104 between an inlet 106 and an outlet 108. A bonnet 110 is coupled to the valve body 102 via a plurality of fasteners 112 and includes a bore 114 to receive a stem 116. An end 118 of the stem 116 extends from a bonnet body 120 and is operatively coupled to an actuator (not shown), and an opposite end 122 of the stem 116 is coupled to a control member 124 (e.g., a valve plug).
[0027] As used herein, a valve trim assembly 126 of the example fluid valve 100 includes a cage retainer 128 (e.g., an upper cage retainer or guide), a cage 130, and a seat 142. In the embodiments illustrated in the figures, the cage retainer 128 and the cage 130 are illustrated as separate and distinct structural elements. In other embodiments, the cage 130 and the cage retainer 128 may be formed as a single unitary structural element. In such an embodiment, the features described below with respect to the cage retainer 128 are located downstream of the features described below with respect to the cage 130.
[0028] Generally, an end 132 of the cage retainer 128 is positioned at least partially within the valve body 102 and adjacent the bonnet 110 and an opposing end 134 of the cage retainer 128 engages an end 136 of the cage 130 such that the cage retainer 128 and the cage 130 are coaxially aligned. The cage 130 is positioned within the valve body 102 such that opposing steps or shoulders 138 and 140 of the cage 130 and the seat 142 (e.g., a seat ring) engage and/or interlock to secure the seat 142 at least partially within an aperture 144 of the valve body 102. Such an approach eliminates the need for a plurality of fasteners to secure the seat 142 relative to the valve body 102 and, thus, the distortion caused, in some instances, when coupling a seat ring to a valve body. Additionally, by eliminating the need for a plurality of fasteners to secure the seat 142, the seat 142 may be more easily removed from and/or assembled within the example fluid valve 100 during, for example, routine maintenance.
[0029] In one example, the cage retainer 128, the seat 142, the valve body 102 and/or any other valve components, may include a dynamic joint 152. In other embodiments, the dynamic joint 152 may be eliminated and the cage retainer 128 may be directly coupled to the bonnet 110. Where the dynamic joint 152 is included, it allows the cage 130 and the cage retainer 128 to expand/contract (e.g., in response to thermal cycles) while enabling the cage 130 to remain in contact with the seat 142 to maintain the seat 142 in sealing engagement with the aperture 144.
[0030] Turning now to FIGS. 2-4, the trim assembly 126 cooperates with the control member 124 to control fluid flow through the fluid passageway 104, the trim assembly 126 includes the cage 130 and the cage retainer 128. In some embodiments, the trim assembly 126 may also include the seat 142. The cage retainer 128 is located downstream of the cage 130 and the cage retainer 128 and the cage 130 are aligned longitudinally within the fluid passageway 104. In some embodiments, the cage 130 may be a pressure reducing cage. In such embodiments, the cage 130 includes a plurality of pressure reducing through-bores 160, which extend completely through a wall 162 of the cage 130 from an interior (or upstream) surface 164 to an exterior (or downstream) surface 166. The cage retainer 128 includes a side branch resonator array 168a, 168b. For the purposes of illustration, two different side branch resonator arrays 168a, 168b are illustrated in FIG. 2. In some embodiments, the side branch resonator array 168a, 168b may include similar elements around the entire cage retainer 128.
In other embodiments, elements from any side branch resonator array described herein may be combined in a single cage retainer 128.
[0031] On the right side of FIG. 2, the side branch resonator array 168a includes a plurality of cavities 170 located in a side wall 172 of the cage retainer 128. At least one cavity in the plurality of cavities 170 includes an opening 174 that is oriented on the exterior (or downstream) side 175 of the side wall 172.
[0032] The at least one cavity in the plurality of cavities 170 includes a spherical chamber 176. The at least one cavity in the plurality of cavities 170 also includes a cylindrical-shaped neck 178 that fluidly connects the spherical chamber 176 to the opening 174.
Generally, the at least one cavity in the plurality of cavities 170 may have the form of a Helmholz resonator (FIG. 3).
[0033] In other embodiments, for example in FIG. 4, the at least one cavity in the plurality of cavities 170 may include a pyramidal chamber 180. The at least one cavity in the plurality of cavities 170 may include a square cylinder-shaped neck 182 that fluidly connects the pyramidal chamber 180 to the opening174.
[0034] In other embodiments, the side branch resonator array 168b (left side of FIG. 2) includes a plurality of quarter tubes or channels 184 formed in the side wall 172 of the cage retainer 128. At least one of the channels in the plurality of channels 184 includes an opening 186 on the exterior (or downstream) side 175 of the side wall 172. In some embodiments, the at least one channel in the plurality of channels 184 includes at least one turn 188 or directional change within the side wall 172. While the channels in the plurality of channels 184 are illustrated as having linear segments, in other embodiments, the channels may have curved or rounded segments. In yet other embodiments, the channels may have more than one branch.
[0035] Turning now to FIG. 5, an alternate embodiment of a cage retainer 228 is illustrated. In the embodiment of FIG. 5, the cage retainer 228 includes a side branch resonator array 278 that includes an internal chamber 290 formed in the side wall 272 of the cage retainer 228. The internal chamber 290 includes a plurality of perforations or openings 292 located on the exterior (or downstream) side of the side wall 272. While the internal chamber 290 is illustrated as a single, continuous chamber, in other embodiments, the internal chamber 290 can be sub-divided into a plurality of sub-chambers.
[0036] Generally, the side branch resonator arrays described herein include cavities, channels, or chambers within a side wall of the cage retainer. The cavities, channels, or chambers are fluidly connected only to the downstream side of the cage retainer. The cavities, channels, or chambers reduce the amplitude of the vibratory motion of the fluid flowing through the valve by taking energy from sound waves passing in the surrounding fluid. The cavities, channels, or chambers reduce undesirable sound frequencies by being tuned to the problem frequency. Because the cavities, channels, or chambers are tuned to the problem frequency, they remove the energy of this frequency from the surrounding fluid, thereby eliminating or reducing the problem frequency.
[0037] Although certain example methods, apparatus and articles of manufacture have been described herein, the scope of coverage of this patent is not limited thereto. On the contrary, this patent covers all methods, apparatus and articles of manufacture fairly falling within the scope of the appended claims either literally or under the doctrine of equivalents.

Claims (20)

What is claimed is:
1. A fluid valve comprising:
a valve body having a fluid inlet and a fluid outlet;
a fluid passageway connecting the fluid inlet and the fluid outlet;
a trim assembly located within the fluid passageway, the trim assembly cooperating with a control member to control fluid flow through the fluid passageway, the trim assembly including a cage and a cage retainer, the cage retainer being located downstream of the cage, the cage retainer and the cage being aligned longitudinally within the fluid passageway, wherein the cage retainer includes a side branch resonator array.
2. The fluid valve of claim 1, wherein the side branch resonator array comprises a plurality of cavities located in a side wall of the cage retainer.
3. The fluid valve of any preceding claim, wherein at least one cavity in the plurality of cavities includes an opening that is oriented on the downstream side of the side wall.
4. The fluid valve of any preceding claim, wherein at least one cavity in the plurality of cavities includes a spherical chamber.
5. The fluid control valve of any preceding claim, wherein the at least one cavity includes a cylindrical-shaped neck that fluidly connects the spherical chamber to the opening.
6. The fluid control valve of any preceding claim, wherein the at least one cavity has the form of a Helmholz resonator.
7. The fluid control valve of any preceding claim, wherein at least one cavity in the plurality of cavities includes a pyramidal chamber.
8. The fluid control valve of any preceding claim, wherein the at least one cavity includes a square cylindrical-shaped neck that fluidly connects the pyramidal chamber to the opening.
9. The fluid control valve of any preceding claim, wherein the side branch resonator array includes a plurality of channels formed in a side wall of the cage retainer, at least one of the channels including an opening on a downstream side of the side wall.
10. The fluid control valve of any preceding claim, wherein the at least one channel includes at least one directional change within the side wall.
11. The fluid control valve of any preceding claim, wherein the side branch resonator array includes an internal chamber formed in a side wall of the cage retainer, the internal chamber including a plurality of openings located on a downstream side of the side wall.
12. The fluid control valve of any preceding claim, wherein the cage is a pressure reducing cage.
13. The fluid control valve of any preceding claim, wherein the pressure reducing cage includes a plurality of through bores, each of the through bores extending completely through a cage wall of the cage.
14. A trim assembly for a fluid control valve, the trim assembly comprising:
a cage and a cage retainer, the cage retainer being located downstream of the cage, the cage retainer and the cage being aligned longitudinally within the fluid passageway, wherein the cage retainer includes a side branch resonator array.
15. The trim assembly of claim 14, wherein the side branch resonator array comprises a plurality of cavities located in a side wall of the cage retainer, at least one cavity in the plurality of cavities including an opening that is oriented on the downstream side of the side wall.
16. The trim assembly of any preceding claim, wherein at least one cavity in the plurality of cavities includes one of a spherical chamber and a pyramidal chamber.
17. The fluid control valve of any preceding claim, wherein the at least one cavity has the form of a Helmholz resonator.
18. A cage retainer for a fluid control valve, the cage retainer comprising:
a side branch resonator array located in a side wall of the cage retainer, the side branch resonator array comprising a plurality of chambers, each chamber in the plurality of chambers including an opening on the downstream side of the side wall.
19. The cage retainer of claim 18, wherein the side branch resonator array comprises a plurality of cavities located in a side wall of the cage retainer, at least one cavity in the plurality of cavities including an opening that is oriented on the downstream side of the side wall.
20. The cage retainer of any preceding claim, wherein at least one cavity in the plurality of cavities includes one of a spherical chamber and a pyramidal chamber.
CA3041524A 2016-10-21 2017-10-20 Trim assembly having a side branch resonator array and fluid control valve comprising same Pending CA3041524A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662411201P 2016-10-21 2016-10-21
US62/411,201 2016-10-21
PCT/US2017/057596 WO2018075892A1 (en) 2016-10-21 2017-10-20 Trim assembly having a side branch resonator array and fluid control valve comprising same

Publications (1)

Publication Number Publication Date
CA3041524A1 true CA3041524A1 (en) 2018-04-26

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CA3041524A Pending CA3041524A1 (en) 2016-10-21 2017-10-20 Trim assembly having a side branch resonator array and fluid control valve comprising same

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US (1) US10663083B2 (en)
EP (1) EP3529523B1 (en)
CN (2) CN207848443U (en)
CA (1) CA3041524A1 (en)
RU (1) RU2757434C2 (en)
WO (1) WO2018075892A1 (en)

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Publication number Publication date
WO2018075892A1 (en) 2018-04-26
CN207848443U (en) 2018-09-11
RU2757434C2 (en) 2021-10-15
CN107975604A (en) 2018-05-01
CN107975604B (en) 2022-04-05
RU2019113528A (en) 2020-11-23
EP3529523A1 (en) 2019-08-28
EP3529523B1 (en) 2021-01-06
RU2019113528A3 (en) 2021-02-25
US10663083B2 (en) 2020-05-26
US20180112799A1 (en) 2018-04-26

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